TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

TBI: I want to keep my ignition and use EFI for A/F metering ONLY

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Old Oct 11, 2006 | 10:36 PM
  #1  
EvoTech1's Avatar
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From: Tacoma
Car: Beater 66 442 clone DAILY DRIVER
Engine: stock 400
Transmission: TH-400
Axle/Gears: 12-bolt posi 2.73 14.71et
TBI: I want to keep my ignition and use EFI for A/F metering ONLY

Ok, can you lock out the timing function and use a TBI and ecu on a carbed application to meter air and fuel accurately independant of timing? Or is the timing control needed for attaining an accurate a/f ratio?

I am asking this as I an looking at using a TBI setup on an application where there is no TBI distributor available. Ive heard modding the existing distributor works, but its seems complicated.
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Old Oct 11, 2006 | 10:42 PM
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From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
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Originally Posted by EvoTech1
Ok, can you lock out the timing function and use a TBI and ecu on a carbed application to meter air and fuel accurately independant of timing? Or is the timing control needed for attaining an accurate a/f ratio?

I am asking this as I an looking at using a TBI setup on an application where there is no TBI distributor available. Ive heard modding the existing distributor works, but its seems complicated.
Are you trying to put TBI on the Cutlass in your signature? If so, just use a CCC HEI from a mid-late 80s Olds 307.
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Old Oct 12, 2006 | 10:32 AM
  #3  
EvoTech1's Avatar
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From: Tacoma
Car: Beater 66 442 clone DAILY DRIVER
Engine: stock 400
Transmission: TH-400
Axle/Gears: 12-bolt posi 2.73 14.71et
cool cool, but i like the TBI so much, were thinking about the possibility of using one on my friend's toyota pickup. He has a rebuilt 22r with towing cams, a ported, milled head, and a full exhaust. It is pretty strong, and has great midrange, but he hates having to adjust the carb when the weather changes.
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